{"id":18751,"date":"2026-09-15T16:28:49","date_gmt":"2026-09-15T08:28:49","guid":{"rendered":"https:\/\/long-join.com\/?p=18751"},"modified":"2026-09-15T16:40:58","modified_gmt":"2026-09-15T08:40:58","slug":"ul773-certification-requirements-photocell-base-must-use-gfpbt","status":"publish","type":"post","link":"https:\/\/long-join.com\/ar\/ul773-certification-requirements-photocell-base-must-use-gfpbt\/","title":{"rendered":"UL773 Certification Requirements: Photocell Base Must Use GF+PBT"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"18751\" class=\"elementor elementor-18751\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-de14b12 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"de14b12\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9c4355a\" data-id=\"9c4355a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d1c65bb custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d1c65bb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-e79c0cb\" data-id=\"e79c0cb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e6bdfcd elementor-align-center elementor-widget elementor-widget-button\" data-id=\"e6bdfcd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0645\u0646\u062a\u062c\u0646\u0627<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-533a5b7\" data-id=\"533a5b7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f7583a2 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"f7583a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/long-join.com\/ar\/%d8%b4%d9%87%d8%a7%d8%af%d8%a9-%d8%a7%d9%84%d8%ac%d9%88%d8%af%d8%a9\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0643\u062a\u0627\u0644\u0648\u062c\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-d99a402\" data-id=\"d99a402\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f865a77 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"f865a77\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/long-join.com\/ar\/%d9%81%d9%8a%d8%af%d9%8a%d9%88-%d8%b0%d9%88-%d8%b5%d9%84%d8%a9\/\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0641\u064a\u062f\u064a\u0648\u0646\u0627<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-0dcb646\" data-id=\"0dcb646\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3b779d6 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"3b779d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/%d8%b3%d9%84%d8%b3%d9%84%d8%a9-%d8%b2%d8%a7%d8%ba%d8%a7\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0633\u0644\u0633\u0644\u0629 \u0632\u0627\u063a\u0627<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-30a77f3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"30a77f3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f69beca\" data-id=\"f69beca\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4180ef5 elementor-widget elementor-widget-heading\" data-id=\"4180ef5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u064a\u0642\u062f\u0645<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-27dd257 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"27dd257\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d8d75ee\" data-id=\"d8d75ee\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2f9b4b6 elementor-widget elementor-widget-text-editor\" data-id=\"2f9b4b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>UL773 is the primary safety standard for photocontrol devices entering the North American market. It covers electrical safety, mechanical performance, insulation, waterproofing, and environmental durability.<\/p><p>\u00a0<\/p><p>The material used in the photocell base determines whether a product can meet these requirements.<\/p><p>\u00a0<\/p><p>This article explains what UL773 demands from photocell base materials and why GF+PBT (Glass Fiber and Polybutylene Terephthalate) \u00a0is the correct material choice.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f63350a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f63350a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-479a0b5\" data-id=\"479a0b5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ffaef26 elementor-widget elementor-widget-image\" data-id=\"ffaef26\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"565\" src=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/UL773-Certification-GFPBT-1024x723.jpg\" class=\"attachment-large size-large wp-image-18753\" alt=\"ul773 certification gf+pbt\" srcset=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/UL773-Certification-GFPBT-1024x723.jpg 1024w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/UL773-Certification-GFPBT-300x212.jpg 300w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/UL773-Certification-GFPBT-768x543.jpg 768w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/UL773-Certification-GFPBT-18x12.jpg 18w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/UL773-Certification-GFPBT-600x424.jpg 600w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/UL773-Certification-GFPBT.jpg 1223w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">ul773 certification gf+pbt<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8e30292 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8e30292\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f8bdb4b\" data-id=\"f8bdb4b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d4f55f7 elementor-widget elementor-widget-heading\" data-id=\"d4f55f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What Is UL773?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3aa6728 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3aa6728\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ee5949e\" data-id=\"ee5949e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1cfa4a5 elementor-widget elementor-widget-text-editor\" data-id=\"1cfa4a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>UL773 is a safety standard from <a href=\"https:\/\/en.wikipedia.org\/wiki\/UL_(safety_organization)\"><u>\u0645\u062e\u062a\u0628\u0631\u0627\u062a \u0623\u0646\u062f\u0631\u0631\u0627\u064a\u062a\u0631\u0632<\/u><\/a>\u00a0focusing on the electrical safety and mechanical performance of photocontrol products, and it is a critical entry requirement for the North American photocontrol market.<\/p><p>\u00a0<\/p><p>It requires that, under the conditions that outdoor installation produces, photocontrol products meet defined standards for:<\/p><ul><li>Insulation spacing<\/li><li>\u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0645\u0627\u0626\u064a<\/li><li>Heat resistance<\/li><li>Mechanical strength<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5be5eb2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5be5eb2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d6f99fd\" data-id=\"d6f99fd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-11d9e9f elementor-widget elementor-widget-heading\" data-id=\"11d9e9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What Material Requirements Does UL773 Set for Photocell Bases?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1f58996 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1f58996\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9ae5752\" data-id=\"9ae5752\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e67009b elementor-widget elementor-widget-text-editor\" data-id=\"e67009b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Four material performance categories in UL773 define why PC (Polycarbonate) falls short and why GF+PBT is required.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2ba21be elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2ba21be\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f02cca8\" data-id=\"f02cca8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a546db9 elementor-widget elementor-widget-text-editor\" data-id=\"a546db9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td width=\"78\"><p>Requirement Category<\/p><\/td><td width=\"92\"><p>\u0648\u0635\u0641<\/p><\/td><td width=\"85\"><p>PC Performance<\/p><\/td><td width=\"117\"><p>GF+PA66\/GF+PBT Characteristics<\/p><\/td><td width=\"77\"><p>Technical Conclusion<\/p><\/td><\/tr><tr><td width=\"78\"><p>Insulation Distance (CTI)<\/p><\/td><td width=\"92\"><p>Material must maintain good insulation performance in high-humidity conditions<\/p><\/td><td width=\"85\"><p>PC&#8217;s CTI is relatively low; insulation stability is limited<\/p><\/td><td width=\"117\"><p>GF materials have higher CTI; higher glass fibre content means more stable CTI<\/p><\/td><td width=\"77\"><p>High GF content ensures reliable insulation per UL773 standards<\/p><\/td><\/tr><tr><td width=\"78\"><p>Heat Resistance (RTI)<\/p><\/td><td width=\"92\"><p>Material must resist deformation in environments up to 60-90\u00b0C<\/p><\/td><td width=\"85\"><p>PC RTI 110-125\u00b0C, marginal heat resistance<\/p><\/td><td width=\"117\"><p>GF reaches 150-200\u00b0C, suitable for long-term high-temp operation<\/p><\/td><td width=\"77\"><p>UL773 requires RTI that puts PC near edge; GF has clear advantage<\/p><\/td><\/tr><tr><td width=\"78\"><p>Mechanical Strength (Plug Force)<\/p><\/td><td width=\"92\"><p>Must withstand high NEMA plug pull and insertion forces without cracking or loose screws<\/p><\/td><td width=\"85\"><p>PC strength decreases at high temp; prone to cracks and deformation<\/p><\/td><td width=\"117\"><p>GF remains rigid and crack-resistant at high temps<\/p><\/td><td width=\"77\"><p>Higher GF content facilitates passing mechanical plug testing<\/p><\/td><\/tr><tr><td width=\"78\"><p>Moisture and Condensation Resistance<\/p><\/td><td width=\"92\"><p>Must remain dimensionally stable under humid, wet conditions<\/p><\/td><td width=\"85\"><p>PC has high water absorption; its structure is easily affected<\/p><\/td><td width=\"117\"><p>GF+PBT has low moisture absorption, stable dimensions and structure<\/p><\/td><td width=\"77\"><p>GF enhances water resistance and sealing stability<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3fdd909 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3fdd909\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-02e7cb7\" data-id=\"02e7cb7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-74989fa elementor-widget elementor-widget-heading\" data-id=\"74989fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Why Does Each Requirement Create a Problem for PC?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b00a871 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b00a871\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e95679\" data-id=\"1e95679\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f390134 elementor-widget elementor-widget-text-editor\" data-id=\"f390134\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Each of the four UL773 material requirements exposes a specific PC limitation in outdoor photocell base applications.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c28bfb6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c28bfb6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a17a2c9\" data-id=\"a17a2c9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b04798d elementor-widget elementor-widget-image\" data-id=\"b04798d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/PC-VS-PBT-GF-material-in-photocell-1024x572.jpg\" class=\"attachment-large size-large wp-image-18752\" alt=\"pc vs pbt gf material in photocell\" srcset=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/PC-VS-PBT-GF-material-in-photocell-1024x572.jpg 1024w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/PC-VS-PBT-GF-material-in-photocell-300x167.jpg 300w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/PC-VS-PBT-GF-material-in-photocell-768x429.jpg 768w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/PC-VS-PBT-GF-material-in-photocell-18x10.jpg 18w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/PC-VS-PBT-GF-material-in-photocell-600x335.jpg 600w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/09\/PC-VS-PBT-GF-material-in-photocell.jpg 1376w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">pc vs pbt gf material in photocell<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0259e46 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0259e46\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-662a844\" data-id=\"662a844\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e0b73da elementor-widget elementor-widget-heading\" data-id=\"e0b73da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The CTI (Comparative Tracking Index)<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a8f5f03 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a8f5f03\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9de53ec\" data-id=\"9de53ec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f7346d9 elementor-widget elementor-widget-text-editor\" data-id=\"f7346d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>CTI requirement addresses the risk of surface leakage current in humid conditions. CTI measures how well a material resists tracking.<\/p><p>\u00a0<\/p><p>PC has a lower CTI than glass-fibre reinforced materials. In the humid, contaminated environment of an outdoor photocell base, this matters for sustained insulation integrity over years of service.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-de47a9a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"de47a9a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-82fa9a0\" data-id=\"82fa9a0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-da93e08 elementor-widget elementor-widget-heading\" data-id=\"da93e08\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The RTI (Relative Thermal Index)<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5e4b2db elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5e4b2db\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d00ec49\" data-id=\"d00ec49\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fb9f79e elementor-widget elementor-widget-text-editor\" data-id=\"fb9f79e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>RTI requirement is where PC&#8217;s limitation is most clearly quantified. PC&#8217;s RTI of 110 to 125\u00b0C sounds adequate against a 90\u00b0C operating temperature, but UL773&#8217;s RTI requirements account for sustained thermal load rather than peak exposure.<\/p><p>\u00a0<\/p><p>A photocell base at the top of a luminaire in a hot climate experiences 70 to 85\u00b0C continuously across long summer days. With a PC base operating consistently near its stability limit, dimensional change accumulates. GF+PBT with RTI values of 150 to 200\u00b0C operates well below its stability limit in the same conditions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ea6374e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ea6374e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-70ff26a\" data-id=\"70ff26a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-18a526c elementor-widget elementor-widget-heading\" data-id=\"18a526c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The mechanical strength<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d14e46a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d14e46a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-821b08e\" data-id=\"821b08e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1393336 elementor-widget elementor-widget-text-editor\" data-id=\"1393336\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The mechanical strength requirement specifically addresses <a href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/%d9%85%d9%88%d8%b5%d9%84-%d9%86%d9%8a%d9%85%d8%a7-%d8%a7%d9%84%d9%82%d9%8a%d8%a7%d8%b3%d9%8a\/\"><u>NEMA plug<\/u><\/a>\u00a0insertion and pull-out forces. Every time a photocell is installed or removed from a receptacle, the base undergoes torsional and axial loading.<\/p><p>\u00a0<\/p><p>In hot conditions, PC&#8217;s mechanical strength decreases, while GF reinforcement maintains rigidity and crack resistance at elevated temperatures.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-836fb21 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"836fb21\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-04adc2d\" data-id=\"04adc2d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7109fe6 elementor-widget elementor-widget-heading\" data-id=\"7109fe6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The moisture and condensation resistance <\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-206bf91 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"206bf91\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-afd766e\" data-id=\"afd766e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-849a1f8 elementor-widget elementor-widget-text-editor\" data-id=\"849a1f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Moisture resistance requirement connects directly to sealing performance. PC absorbs moisture from the surrounding environment because its dimensional change with moisture absorption adds to the dimensional change from thermal cycling.<\/p><p>\u00a0<\/p><p>GF+PBT has significantly lower moisture absorption, which means its dimensions remain more stable across the combined thermal and humidity cycling that outdoor service produces. Stable dimensions mean consistent sealing ring compression. Consistent sealing ring compression means sustained waterproof performance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d4f03fa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d4f03fa\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d8681be\" data-id=\"d8681be\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-41277ea elementor-widget elementor-widget-heading\" data-id=\"41277ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Is It UL773 or UL1598 That Requires GF+PBT?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cdc2fcf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cdc2fcf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-19d053b\" data-id=\"19d053b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c759362 elementor-widget elementor-widget-text-editor\" data-id=\"c759362\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>UL773 sets the primary material and performance requirements for photocontrol devices specifically, while UL1598 governs the entire luminaire system, including photocontrol components.<\/p><p>\u00a0<\/p><p>\u00a0<\/p><p>UL773 is the most directly relevant standard for photocontrol base material requirements. It specifies the insulation, heat resistance, mechanical strength, and moisture performance criteria that the base material must satisfy as a standalone photocontrol component.<\/p><p>\u00a0<\/p><p>UL1598 covers the photocontrol as part of the complete luminaire assembly, adding requirements for luminaire-level temperature class, salt spray resistance, and system integration that go beyond the component-level UL773 requirements.<\/p><p>Long-Join&#8217;s choice of high-glass-fibre-reinforced PBT satisfies both standards, along with full <a href=\"https:\/\/long-join.com\/ar\/%d8%b4%d9%87%d8%a7%d8%af%d8%a9-%d8%a7%d9%84%d8%ac%d9%88%d8%af%d8%a9\/\"><u>certification documentation<\/u><\/a>. For buyers, the practical procurement check is straightforward:<\/p><ul><li>Confirm UL773 listing<\/li><li>Verify that the base material specification includes glass-fibre-reinforced PBT<\/li><li>Check the glass-fibre content percentage.<\/li><\/ul><p>Higher GF content provides more stable CTI, better RTI, greater mechanical strength, and lower moisture absorption.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-756b453 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"756b453\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-323ff2b\" data-id=\"323ff2b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d6374cb elementor-widget elementor-widget-heading\" data-id=\"d6374cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What Are the Procurement Recommendations?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-46abdfd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"46abdfd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1f9ae0b\" data-id=\"1f9ae0b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5b941a8 elementor-widget elementor-widget-text-editor\" data-id=\"5b941a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When purchasing photocontrols for North American applications, here are 5 things to do:<\/p><ol><li>Verify UL773 listing and request confirmation of the base material composition.<\/li><li>Prefer GF+PBT composites with high GF content to achieve the balance of heat resistance, mechanical strength, and insulation performance that UL773 demands.<\/li><li>Consider the actual usage environment, such as high-humidity, high-temperature, and salt spray locations<\/li><\/ol><p>All these increase the performance margin required above the UL773 minimum, and higher GF content provides that margin.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-77c8dac elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"77c8dac\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d4f258f\" data-id=\"d4f258f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76bcc10 elementor-widget elementor-widget-heading\" data-id=\"76bcc10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Frequently Asked Questions on UL773 and GF+PBT Requirements<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2202b3b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2202b3b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fac20e4\" data-id=\"fac20e4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c7dbeee uael-faq-box-layout-yes align-at-left elementor-widget elementor-widget-uael-faq\" data-id=\"c7dbeee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-faq.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t\t<div id='uael-faq-wrapper-209' class=\"uael-faq-wrapper\">\n\t\t\t\t<div class=\"uael-faq-container uael-faq-layout-accordion\" data-layout=\"accordion\" >\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"uael-accordion-6fc5306\" class=\"uael-faq-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t\t<div class= \"uael-accordion-title\" aria-expanded=\"false\" role=\"tab\">\n\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon uael-accordion-icon-left\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-angle-up\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"uael-question-6fc5306 uael-question-span\" tabindex=\"0\" id=\"uael-faq-1-6aa90725c5331\">Q1: What key safety performances does UL773 focus on for photocontrols?<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"uael-accordion-content\" role=\"tabpanel\">\n\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t\t<span><p>UL773 focuses on electrical insulation integrity, heat resistance under outdoor operating temperatures, mechanical strength under NEMA plug insertion and removal forces, and waterproofing stability under humid and wet conditions.<\/p><\/span>\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"uael-accordion-3175da8\" class=\"uael-faq-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t\t<div class= \"uael-accordion-title\" aria-expanded=\"false\" role=\"tab\">\n\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon uael-accordion-icon-left\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-angle-up\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"uael-question-3175da8 uael-question-span\" tabindex=\"0\" id=\"uael-faq-2-6aa90725c54a0\">Q2: What is CTI and why is GF material better than PC for meeting UL773?<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"uael-accordion-content\" role=\"tabpanel\">\n\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t\t<span><p>CTI (Comparative Tracking Index) measures how well a material resists surface leakage current in humid, contaminated conditions. GF materials have higher CTI than PC, providing more reliable insulation stability in the outdoor environments that photocell bases operate in.<\/p><\/span>\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"uael-accordion-8bc15d7\" class=\"uael-faq-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t\t<div class= \"uael-accordion-title\" aria-expanded=\"false\" role=\"tab\">\n\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon uael-accordion-icon-left\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-angle-up\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"uael-question-8bc15d7 uael-question-span\" tabindex=\"0\" id=\"uael-faq-3-6aa90725c55a5\">Q3: Why does UL773 require high RTI values and why is it difficult for PC to comply?<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"uael-accordion-content\" role=\"tabpanel\">\n\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t\t<span><p>RTI (Relative Thermal Index) measures sustained heat resistance. PC's RTI of 110 to 125\u00b0C is marginal for photocell bases that experience 70 to 85\u00b0C continuously at luminaire top positions. GF+PBT's RTI of 150 to 200\u00b0C provides the necessary margin above operating temperatures.<\/p><\/span>\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"uael-accordion-b74f8e9\" class=\"uael-faq-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t\t<div class= \"uael-accordion-title\" aria-expanded=\"false\" role=\"tab\">\n\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon uael-accordion-icon-left\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-angle-up\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"uael-question-b74f8e9 uael-question-span\" tabindex=\"0\" id=\"uael-faq-4-6aa90725c569f\">Q4: What are the specific mechanical strength requirements for photocell bases?<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"uael-accordion-content\" role=\"tabpanel\">\n\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t\t<span><p>RTI (Relative Thermal Index) measures sustained heat resistance. PC's RTI of 110 to 125\u00b0C is marginal for photocell bases that experience 70 to 85\u00b0C continuously at luminaire top positions. GF+PBT's RTI of 150 to 200\u00b0C provides the necessary margin above operating temperatures.<\/p><\/span>\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"uael-accordion-e96ef1a\" class=\"uael-faq-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t\t<div class= \"uael-accordion-title\" aria-expanded=\"false\" role=\"tab\">\n\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon uael-accordion-icon-left\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"uael-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-angle-up\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M177 159.7l136 136c9.4 9.4 9.4 24.6 0 33.9l-22.6 22.6c-9.4 9.4-24.6 9.4-33.9 0L160 255.9l-96.4 96.4c-9.4 9.4-24.6 9.4-33.9 0L7 329.7c-9.4-9.4-9.4-24.6 0-33.9l136-136c9.4-9.5 24.6-9.5 34-.1z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"uael-question-e96ef1a uael-question-span\" tabindex=\"0\" id=\"uael-faq-5-6aa90725c57a1\">Q5: Why is GF+PBT superior to PC in moisture and condensation resistance?<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"uael-accordion-content\" role=\"tabpanel\">\n\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t\t<span><p>PC absorbs more moisture than PBT, causing dimensional change that reduces sealing ring compression over time. GF+PBT's low moisture absorption maintains dimensional stability and consistent sealing geometry across the humidity cycling that outdoor photocell bases experience.<\/p><\/span>\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0de563c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0de563c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4d906db\" data-id=\"4d906db\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-20eeb9d elementor-widget elementor-widget-heading\" data-id=\"20eeb9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u062e\u0627\u062a\u0645\u0629<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b7f0ea6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b7f0ea6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2886180\" data-id=\"2886180\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-783d3e6 elementor-widget elementor-widget-text-editor\" data-id=\"783d3e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>UL773 sets four material performance requirements for photocell bases that PC cannot reliably satisfy in the real-world thermal and humidity conditions of outdoor luminaire installation. GF+PBT with high glass-fibre content meets all four requirements with significant margin.<\/p><p>\u00a0<\/p><p>Long-Join specifies high-glass-fibre reinforced PBT as standard across its photocell base range, satisfying UL773 requirements and providing the material performance that outdoor photocell applications demand.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-74fa19e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"74fa19e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e366c54\" data-id=\"e366c54\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6656c26 elementor-widget elementor-widget-heading\" data-id=\"6656c26\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u0627\u0644\u0631\u0648\u0627\u0628\u0637 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9e0de22 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9e0de22\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-afaa54b\" data-id=\"afaa54b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b64b804 elementor-widget elementor-widget-text-editor\" data-id=\"b64b804\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/UL_(safety_organization)\" target=\"_blank\" rel=\"nofollow noopener\">\u25cfhttps:\/\/en.wikipedia.org\/wiki\/UL_(safety_organization)<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>UL773 sets four material performance requirements for photocell bases that PC cannot reliably satisfy in the real-world thermal and humidity conditions of outdoor luminaire installation. GF+PBT with high glass-fibre content meets all four requirements with significant margin.<br \/>\nLong-Join specifies high-glass-fibre reinforced PBT as standard across its photocell base range, satisfying UL773 requirements and providing the material performance that outdoor photocell applications demand.<\/p>","protected":false},"author":1,"featured_media":18754,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[86,1,68],"tags":[],"class_list":["post-18751","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industries-post","category-long-join-blog","category-recent-post"],"acf":[],"_links":{"self":[{"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/posts\/18751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/comments?post=18751"}],"version-history":[{"count":7,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/posts\/18751\/revisions"}],"predecessor-version":[{"id":18761,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/posts\/18751\/revisions\/18761"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/media\/18754"}],"wp:attachment":[{"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/media?parent=18751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/categories?post=18751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/tags?post=18751"}],"curies":[{"name":"\u0648\u0648\u0631\u062f\u0628\u0631\u064a\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}